July 2013, Jonglei, South Sudan: A UN Humanitarian Air Service helicopter arrives in the Dorein area of Pibor County in eastern South Sudan. Fighting between government forces and a non-state armed group, coupled with inter-communal violence in the area has left an estimated 100,000 people isolated and in need of support. Credit: OCHA

July 2013, Jonglei, South Sudan: A UN Humanitarian Air Service helicopter is loaded with supplies. An assessment in mid-July of communities living in and around the villages of Labrab and Dorein identified an estimated 25,000 people in need of support. Credit: UN/Perrett

July 2013, Jonglei, South Sudan: Young girls and women line up to receive food distributions in Pibor town. The World Food Programme and the international NGO Plan International have started providing food to people affected by the violence. Credit: UN/Perret

July 2013, Jonglei, South Sudan: A woman affected by the conflict receives supplies at a World Food Programme and Plan International aid distribution. The aid agencies are providing each family with sorghum, pulses, vegetable oil and salt. Credit: UN/Perret

July 2013, Jonglei, South Sudan: These distributions are only a start. Aid agencies are delivering food, medical assistance, mosquito nets and water purification tablets to affected communities. But there are other parts of Pibor County where people are still isolated and in need of assistance. Credit: UN/Perret

July 2013, Jonglei, South Sudan: Aid workers meet with a community in Labrab, Pibor County. Another team of aid workers will travel to Gumuruk in the coming days to try and reach people affected by the fighting there. Credit: OCHA

July 2013, Jonglei, South Sudan: A women leaves an aid distribution in Pibor County. Thousands of people managed to flee to the capital, Juba, and the neighbouring state of Eastern Equatoria, while many more have sought refuge in Ethiopia, Kenya and Uganda. Credit: OCHA

July 20313, Juba, South Sudan: About 7,000 people have sought refuge in the suburbs of Juba. Here, young girls are playing soccer in the grounds of a church. The Italian NGO, INTERSOS, is organizing events like these to help children deal with the trauma of fleeing the violence in Pibor Country. Credit: INTERSOS